Featuring interviews with his followers, critics and Raël himself, this docuseries traces how a UFO-inspired religion spiraled into a...

Ignited by a bombshell story revealing the Pentagon had been tracking UFOs for years, the series examines the history of the phenomenon through...

Antiques Roadshow is a British television show in which antiques appraisers travel to various regions of the United Kingdom to appraise antiques...

Encounter: UFO tells the stories of the most incredible UFO sightings and abductions of the past and the modern era. This eight-part series reaches...

The program was dedicated to collecting the testimonies of alleged witnesses of UFO phenomena and contrasted the facts with the opinion of experts...

Though claims of extraterrestrial encounters have long been dismissed, many believe the existence of UFOs is not just likely, but a certainty.

Experts review prophecies about the Mayan calender and the significance of December 21, 2012.

Though claims of extraterrestrial encounters have long been dismissed, many believe the existence of UFOs is not just likely, but a certainty.

Don Wildman unearths relics from the world's greatest institutions to reveal secrets from the past. He examines each artifact to illuminate history's...

Professor Brian Cox journeys across the vastness of time and space revealing epic moments of sheer drama that changed the universe forever.

Honoring service members whose courage merited the awarding of a Medal of Honor, this docudrama series re-creates their inspiring true stories.

This immersive series follows the world's most magnificent creatures, capturing never-before-seen moments from the heartwarming to the outrageous.

Real people sit down with friends and family to share terrifying true stories from their past, re-created through chilling re-enactments.

Mass UFO sightings from the last 50 years fuel a mystery in this documentary series featuring eyewitness accounts, expert interviews and new evidence.

A chilling series in which survivors of a paranormal experience relive their harrowing encounter.

A series of standalone documentaries powered by the unparalleled journalism and insight of The New York Times, bringing viewers close to the...

Infographics and archival footage deliver bite-size history lessons on scientific breakthroughs, social movements and world-changing discoveries.

Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.

TV's most-watched history series brings to life the compelling stories from our past that inform our understanding of the world today.